Microwave Spaghetti Bake

Directions

1. 1
   Combine onion, mushrooms and butter in a 2-quart casserole. Microwave on High (100%) for 3 to 4 minutes or until onion is tender.
2. 2
   Place ground beef in casserole.
3. 3
   Cover with waxed paper. Microwave on High (100%) for 6 to 8 minutes or until meat is pink in center.
4. 4
   Stir halfway through cooking.
5. 5
   Drain off excess fat. Stir in tomato sauce, water, Italian seasoning, garlic salt and pepper.
6. 6
   Cover. Microwave on High (100%) for 4 to 5 minutes or until hot and bubbly.
7. 7
   Stir spaghetti noodles into sauce. Cover with a tight fitting lid or plastic wrap.
8. 8
   Microwave on Medium (50%) for 25 to 30 minutes or until spaghetti is tender. Stir several times during cooking.
9. 9
   Sprinkle with Parmesan cheese before serving.